Tesla Mechanical Design Engineer interview questions

First interview was HR. Second was technical. They said I was not enough to solve a problem. I have answered many questions correctly. But at the end, they were not satisfied.

The interview process is rigorous. The interview process is thorough. The interview process is difficult to follow at first since it was my first interview during my job search. Three rounds of interview are conducted including theory tests, then behavioral tests and for the final interview you have to prepare a presentation to be presented to the team members about what you had done in schools. For me the third test was very draining